20626792438 has 8 divisors (see below), whose sum is σ = 35360215632. Its totient is φ = 8840053896.

The previous prime is 20626792411. The next prime is 20626792441. The reversal of 20626792438 is 83429762602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20626792391 and 20626792400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 736671145 + ... + 736671172.

It is an arithmetic number, because the mean of its divisors is an integer number (4420026954).

Almost surely, 2^20626792438 is an apocalyptic number.

20626792438 is a deficient number, since it is larger than the sum of its proper divisors (14733423194).

20626792438 is a wasteful number, since it uses less digits than its factorization.

20626792438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473342326.

The product of its (nonzero) digits is 1741824, while the sum is 49.

The spelling of 20626792438 in words is "twenty billion, six hundred twenty-six million, seven hundred ninety-two thousand, four hundred thirty-eight".